def output_swing_plot(data, fig, error_plot=False):
vcc = data.vcc
extend(data)
fw = FigureWrapper(
data, fig,
x='voltage',
y='error' if error_plot else 'voltage',
title='Maximum peak output voltage swing')
yname = 'Vout_diff' if error_plot else 'Vout'
for R in Rloads(data):
fw.addcol(legend=unicode(format_ohm(R) if R else R),
x='Vout_expected',
y=yname,
filter_func=get_filter_func(R, 'output_swing'),
sortbyx=True,
)
ax = fw.subplot
# ax.legend(*ax.get_legend_handles_labels(), loc='upper center')
ax.set_xlabel('Expected (V)')
# ax.grid(True)
# ax.axvline(x=0, color='black')
# ax.axvline(x=dw.data.vcc, color='black')
# ax.axhline(y=0, color='black')
if error_plot:
ax.set_ylabel('error (V)')
# ax.axis([0, 5.1, -0.2, 0.2])
else:
# ax.axhline(y=dw.data.vcc, color='black')
ax.plot([0, vcc], [0, vcc])
# ax.axis([0, 5.1, 0, 5.1])
ax.set_ylabel('Real (V)')
return fig
def input_range_plot(data, fig, error_plot=False):
vcc = data.vcc
extend(data)
fw = FigureWrapper(
data,
fig,
x='voltage',
y='error' if error_plot else 'voltage',
title='Common-mode input voltage range')
# print data.measurements
yname = 'Vin_diff' if error_plot else 'Vopamp_minus'
for R in [NO_LOAD]:
fw.addcol(legend='',
x='Vplus',
y=yname,
filter_func=get_filter_func(R, 'input_range'),
)
ax = fw.subplot
ax.set_xlabel('opamp+ (V)')
# ax.grid(True)
# ax.axvline(x=0, color='black')
# ax.axvline(x=dw.data.vcc, color='black')
if error_plot:
# ax.axhline(y=0, color='black')
ax.set_ylabel('error (V)')
# ax.axis([0, 5.1, -0.050, 0.050])
else:
ax.plot([0, vcc], [0, vcc])
# ax.axis([0, 5.1, 0, 5.1])
ax.set_ylabel('opamp- (V)')
return fig
def unity_gain_plot(data, fig, error_plot=False):
# dw = DataWrapper(data)
config = data.config
vcc = data.vcc
measurements = data.measurements
# A = config.R2 / config.R1
extend(data)
fw = FigureWrapper(data,
fig,
x='voltage',
y='error' if error_plot else 'voltage',
title='Unity gain')
# ax = fig.add_subplot(111)
yname = 'Vout_diff' if error_plot else 'Vout'
for R in [NO_LOAD]:
fw.addcol(
legend='',
x='Vout_expected',
y=yname,
filter_func=get_filter_func(R, 'unity_gain'),
)
ax = fw.subplot
ax.set_xlabel('Vout_expected (V)')
# ax.grid(True)
# ax.axvline(x=0, color='black')
# ax.axvline(x=dw.data.vcc, color='black')
if error_plot:
limit = 0.050
ax.axhline(y=limit, color='red')
ax.axhline(y=-limit, color='red')
# TODO: vlines
# interv = calculate_good_interval(config, measurements, limit=limit)
# if interv:
# ax.axvline(x=interv[0], color='red')
# ax.axvline(x=interv[1], color='red')
ax.axhline(y=0, color='black')
ax.set_ylabel('error (V)')
# ax.axis([0, 5.1, -0.5, 0.5])
else:
ax.plot([0, vcc], [0, vcc])
# ax.axis([0, 5.1, 0, 5.1])
ax.set_ylabel('Vout (V)')
return fig
def unity_gain_plot(data, fig, error_plot=False):
# dw = DataWrapper(data)
config = data.config
vcc = data.vcc
measurements = data.measurements
# A = config.R2 / config.R1
extend(data)
fw = FigureWrapper(
data, fig,
x='voltage',
y='error' if error_plot else 'voltage',
title='Unity gain')
# ax = fig.add_subplot(111)
yname = 'Vout_diff' if error_plot else 'Vout'
for R in [NO_LOAD]:
fw.addcol(legend='',
x='Vout_expected',
y=yname,
filter_func=get_filter_func(R, 'unity_gain'),
)
ax = fw.subplot
ax.set_xlabel('Vout_expected (V)')
# ax.grid(True)
# ax.axvline(x=0, color='black')
# ax.axvline(x=dw.data.vcc, color='black')
if error_plot:
limit = 0.050
ax.axhline(y=limit, color='red')
ax.axhline(y=-limit, color='red')
# TODO: vlines
# interv = calculate_good_interval(config, measurements, limit=limit)
# if interv:
# ax.axvline(x=interv[0], color='red')
# ax.axvline(x=interv[1], color='red')
ax.axhline(y=0, color='black')
ax.set_ylabel('error (V)')
# ax.axis([0, 5.1, -0.5, 0.5])
else:
ax.plot([0, vcc], [0, vcc])
# ax.axis([0, 5.1, 0, 5.1])
ax.set_ylabel('Vout (V)')
return fig
def output_swing_plot(data, fig, error_plot=False):
vcc = data.vcc
extend(data)
fw = FigureWrapper(data,
fig,
x='voltage',
y='error' if error_plot else 'voltage',
title='Maximum peak output voltage swing')
yname = 'Vout_diff' if error_plot else 'Vout'
for R in Rloads(data):
fw.addcol(
legend=unicode(format_ohm(R) if R else R),
x='Vout_expected',
y=yname,
filter_func=get_filter_func(R, 'output_swing'),
sortbyx=True,
)
ax = fw.subplot
# ax.legend(*ax.get_legend_handles_labels(), loc='upper center')
ax.set_xlabel('Expected (V)')
# ax.grid(True)
# ax.axvline(x=0, color='black')
# ax.axvline(x=dw.data.vcc, color='black')
# ax.axhline(y=0, color='black')
if error_plot:
ax.set_ylabel('error (V)')
# ax.axis([0, 5.1, -0.2, 0.2])
else:
# ax.axhline(y=dw.data.vcc, color='black')
ax.plot([0, vcc], [0, vcc])
# ax.axis([0, 5.1, 0, 5.1])
ax.set_ylabel('Real (V)')
return fig
def input_range_plot(data, fig, error_plot=False):
vcc = data.vcc
extend(data)
fw = FigureWrapper(data,
fig,
x='voltage',
y='error' if error_plot else 'voltage',
title='Common-mode input voltage range')
# print data.measurements
yname = 'Vin_diff' if error_plot else 'Vopamp_minus'
for R in [NO_LOAD]:
fw.addcol(
legend='',
x='Vplus',
y=yname,
filter_func=get_filter_func(R, 'input_range'),
)
ax = fw.subplot
ax.set_xlabel('opamp+ (V)')
# ax.grid(True)
# ax.axvline(x=0, color='black')
# ax.axvline(x=dw.data.vcc, color='black')
if error_plot:
# ax.axhline(y=0, color='black')
ax.set_ylabel('error (V)')
# ax.axis([0, 5.1, -0.050, 0.050])
else:
ax.plot([0, vcc], [0, vcc])
# ax.axis([0, 5.1, 0, 5.1])
ax.set_ylabel('opamp- (V)')
return fig
